Charlie Chan is a fictional Chinese-American detective created by author Earl Derr Biggers in the 1920s. He is known for his wisdom, keen observation skills, and ability to solve complex mysteries. The character first appeared in the novel "The House Without a Key" and quickly gained popularity, leading to a series of books and films. The character of Charlie Chan was portrayed in numerous films, particularly during the 1930s and 1940s, often by actor Sidney Toler. Chan's character is recognized for his catchphrases and philosophical insights, making him a significant figure in the genre of detective fiction.